Merge branch 'js/config-cb'

* js/config-cb:
  Provide git_config with a callback-data parameter

Conflicts:

	builtin-add.c
	builtin-cat-file.c

builtin-rev-list.c

@@ -591,7 +591,7 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix)
 	int bisect_find_all = 0;
 	int quiet = 0;
 
-	git_config(git_default_config);
+	git_config(git_default_config, NULL);
 	init_revisions(&revs, prefix);
 	revs.abbrev = 0;
 	revs.commit_format = CMIT_FMT_UNSPECIFIED;